Tube-number record
7888
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BrandSylvania
ClassUHF Oscillator Triode
BaseSubminiature
Filament26.5 V @ 45 mA
Construction
Primary TypeTriode
EnvelopeT-3
Base MaterialGlass
Sections1
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage165 V
Plate Dissipation3.3 W
Grid 1 Voltage-55 V
Cathode Current22 mA
H-C Voltage200 V
Audio Performance
Key Features
- Premium Subminiature
- High gm
- Medium mu
- UHF Oscillator
- Severe shock resistance
- High temperature operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 100 V | 5800 | — | 27 | 8.5 mA |
| Condition 2 | 150 V | 6500 | — | 27 | 13 mA |
Datasheets
Datasheet: 7888.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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